Water tank for humidifier



FIG. 1 is a perspective view of a water tank for humidifier, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The dash-dash broken lines in the drawings show portions of the water tank for humidifier which form no part of the claimed design. The dot-dash broken line(s) define the bounds of the claimed design and form no part thereof. 

CLAIM We claim the ornamental design for a water tank for humidifier, as shown and described. 